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klemol [59]
3 years ago
15

20 POINTS!!! Find the vertex of the quadratic function given below. f(x)=(x-4)(x+2)

Mathematics
1 answer:
irga5000 [103]3 years ago
3 0

The vertex of  f ( x )  is at  x  =  − 8/ 2   =  − 4

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For 10 points if good enough please help
azamat

Answer:

$0.75

Step-by-step explanation:

convert 5000 milligrams to grams which is 5.

Then multiply 5 by 0.15 to get the price which is 0.75

7 0
3 years ago
17. Tonya's mother is 1.5 times as tall as
andrew-mc [135]

The question is incomplete:

17. Tonya's mother is 1.5 times as tall as  Tonya was when she was 6. How tall  is Tonya's mother? Use the correct  number of significant digits.

The image with the information about Tonya's height is attached.

Answer:

68 in.

Step-by-step explanation:

According to the information given, you can write the following expression:

x=1.5y

x=Tonya's mother height

y= Tony's height when she was 6

Also, you know from the table that Tonya's height when she was 6 was 45 in. and you can replace this value in the formula:

x=1.5*45

x=67.5

Because of this, the answer is that Tonya's mother height is 68 in.

3 0
3 years ago
100p for an answer please on a test
motikmotik
I wanna day, that both are correct because they substituted the same value into both expressions and the results are the same.
Both squares substitute in 6 and both equal -5.
4 0
2 years ago
100 POINTS PLEAS please help
Kamila [148]

Answer:

\textsf{A)} \quad 5u^3-2u^2+5u+8

Step-by-step explanation:

Given expression:

(-2u^3+5u-1)+(7u^3-2u^2+9)

Remove parentheses:

\implies -2u^3+5u-1+7u^3-2u^2+9

Collect like terms:

\implies -2u^3+7u^3-2u^2+5u-1+9

Combine like terms:

\implies 5u^3-2u^2+5u+8

6 0
1 year ago
Read 2 more answers
If someone could do this exam for me I'll do anything else school related!
trapecia [35]
C. just shorten fraction and you'll only get 1/(y²z²)
you'll get (6xy²z²)/(6xy⁴z⁴)=1/(y²z²)
3 0
3 years ago
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